113209261984 has 192 divisors, whose sum is σ = 294439090176. Its totient is φ = 41572859904.

The previous prime is 113209261981. The next prime is 113209261999. The reversal of 113209261984 is 489162902311.

It is not an unprimeable number, because it can be changed into a prime (113209261981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3598129 + ... + 3629455.

It is an arithmetic number, because the mean of its divisors is an integer number (1533536928).

Almost surely, 2^113209261984 is an apocalyptic number.

113209261984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113209261984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147219545088).

113209261984 is an abundant number, since it is smaller than the sum of its proper divisors (181229828192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113209261984 is a wasteful number, since it uses less digits than its factorization.

113209261984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31447 (or 31439 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 113209261984 in words is "one hundred thirteen billion, two hundred nine million, two hundred sixty-one thousand, nine hundred eighty-four".